Air Quality Advisory for Metro Vancouver and Fraser Valley continues

METRO Vancouver is continuing an Air Quality Advisory for Metro Vancouver and the Fraser Valley because of elevated concentrations of fine particulate matter due to wildfire smoke being transported into our region from Washington state and the BC interior.

Air quality throughout the region has improved significantly in the past 24 hours, but some areas within the region continue to experience lingering wildfire smoke. The current weather forecast predicts further improvement in air quality and if this trend continues it is anticipated that we will be in a position to cancel the advisory by tomorrow morning.

Smoke concentrations may vary widely across the region as winds and temperatures change, and as wildfire behaviour changes.

Fine particulate matter, also known as PM2.5, refers to airborne solid or liquid droplets with a diameter of 2.5 micrometres (µm) or less. PM2.5 can easily penetrate indoors because of their small size.

Persons with chronic underlying medical conditions should postpone strenuous exercise until the advisory is lifted. Exposure is particularly a concern for infants, the elderly and those who have diabetes, and lung or heart disease. If you are experiencing symptoms such as chest discomfort, shortness of breath, coughing or wheezing, follow the advice of your healthcare provider. As we are in the summer season with warm temperatures, it is also important to stay cool and hydrated.  Indoor spaces with air conditioning may offer relief from both heat and air pollution.

Metro Vancouver works in cooperation with Environment and Climate Change Canada, the Fraser Valley Regional District and B.C. Ministry of Environment and Climate Change Strategy to look after air quality.

Information about real-time air quality readings for Metro Vancouver and Fraser Valley communities and potential health impacts can be found at and